Photosynthesis is an example of

A. an exothermic reaction.

B. an endothermic reaction.

C. a reaction that gives off heat.

D. a reaction that emits energy.

When you work harder, your muscle cells work harder and increase in size. how might various organelles in a muscle cell increase in size, number, or activity to respond to the challenge of an increased workload?

The immediate reaction of the body to stress is most often called

Question 4 How can homologous structures in the forelimbs of these four organisms be used as evidence to suggest that life changes over time?

Why does active transport require energy?

You are assessing a pregnant woman whose chief complaint is vaginal bleeding. she is 8 months pregnant and has moderate, bright red bleeding. she says that her doctor was concerned about the location of the placenta. this condition is known as:

If you find an igneous rock that is made entirely of crystals that can be seen with just your eyes, what type of igneous texture does the rock have?

Which statement best describes the interaction between biotic and abiotic factors? * Abiotic factors depend upon biotic factors for energy. Biotic factors only rely on other biotic factors to grow and survive.

Why are chromosomes visible during mitosis but not at all other times?

Why the number of atoms of reactants must equal the number of atoms of products formed

A cell well divide and make two cells that are exactly the same. True or False